Tags: Chess Player.
Yakov Borisovich Estrin (April 21 1923 – February 2 1987) was a Russian chess International Master International Correspondence Chess Grandmaster and world champion chess theoretician and writer.
Tags: Chess Player.
Yakov Borisovich Estrin (April 21 1923 – February 2 1987) was a Russian chess International Master International Correspondence Chess Grandmaster and world champion chess theoretician and writer.
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